[3] The specific name, modiglianii, is honor of Italian botanist Elio Modigliani.
[4] H. modiglianii is indigenous to northern Sumatra, Indonesia.
[4] The holotype specimen is a male, and the preservation process had caused it to turn blue.
The discovery of live specimens in 2018 revealed that the species is naturally a luminous green colour in life.
[3] H. modiglianii has a sickle-shaped upturned nasal appendage.